Volume 15, Number 8—August 2009
Challenges of Investigating Community Outbreaks of Cyclosporiasis, British Columbia, Canada
|Food item||No. (%) case-patients||Controls, %
|Waterloo survey||US FoodNet|
|Strawberries||16–17 (94–100) (1 unsure)||32||28|
|Romaine lettuce||15 (88)||Any lettuce, 84||37|
|Red peppers||14 (82)||NA||NA|
|Cilantro||12–15 (70–88) (3 unsure)||8||NA|
|Basil||14–16 (82–94) (2 unsure)||12||NA|
*Case-patients were 17 persons with laboratory-confirmed cases interviewed during phase 2 (June 24–July 21, 2007). US FoodNet, Foodborne Diseases Active Surveillance Network; NA, not applicable.
1British Columbia Cyclospora Investigation Team: Dan Moreau, Craig Nowakowski (Vancouver Island Health Authority); Mark Ritson, Arne Faremo (Vancouver Coastal Health Authority); Krista Wilson, Brian Gregory (Interior Health Authority); Susan Schleicher, Shendra Brisdon, Jason Stone (Fraser Health Authority); Julie Wong, Joe Fung, Linda Hoang (Provincial Health Services Authority Laboratories); and Lisa Wu (Canadian Food Inspection Agency, Burnaby).